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2014/10/16 ¤W¤È 08:14:39
android Programming Glossary: highApplication Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen ldpi low density 120 ppi mdpi medium density 160 ppi hdpi high density 240 ppi xhdpi extra high density 320 ppi Typically screen.. density 160 ppi hdpi high density 240 ppi xhdpi extra high density 320 ppi Typically screen size has most impact on your.. PNG which is significant if your app is image intensive A higher quality lossy JPEG may look better than a highly compressed..
How to set ringtone in Android from my activity? http://stackoverflow.com/questions/1271777/how-to-set-ringtone-in-android-from-my-activity mediastore maintain its ids This number can get really high as you do this operation many times. Do i need to delete this..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik . Basically It is said to be a C like language for high performance graphics programming which helps you easily write..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android diff 128 assume all soft keyboards are at least 128 pixels high super.onMeasure widthMeasureSpec heightMeasureSpec Then in..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android with.html Now ActivityManager.getMemoryInfo is our highest level API for looking at overall memory usage. This is mostly.. is not being used at all. The number you see here is very high typically on an Android system this would be only a few MB since..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android allowed to drift up toward 20MB presumably it could go as high as 24MB although I haven't tried this . But other similarly.. my app may get flushed from memory if these other high maintenance apps are brought to the foreground by the user... devices running my app will have a memoryClass of 24 or higher. So I can design to occupy up to 20MB of heap and feel pretty..
Custom Drawable for ProgressBar/ProgressDialog http://stackoverflow.com/questions/2819778/custom-drawable-for-progressbar-progressdialog layout_height fill_parent android drawingCacheQuality high ProgressBar android id @ id ProgressBar01 android layout_width..
Is there a multiplatform framework for developing iPhone / Android applications? [closed] http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications developers to create cross platform games with extremely high code reuse. It currently supports iOS Android Windows both OpenGL..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android restful client applications. Unfortunately it was only a high level discussion with no source code of the implementation...
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview this by explicitly telling the ListView to be exactly as high as its contents. I do it by changing the layout parameters right..
Flash video not displaying in WebView for Android 3.0.1 http://stackoverflow.com/questions/5383364/flash-video-not-displaying-in-webview-for-android-3-0-1 this question So after a week and a half of searching high and low trying different techniques and just about near ready..
Problem to load flv video in webview http://stackoverflow.com/questions/6596243/problem-to-load-flv-video-in-webview fullscreen true video @VIDEO@' autoplay 'true' quality 'high' bgcolor '#000000' name 'VideoPlayer' align 'middle' width.. true video . expression_sad.flv autoplay true quality high bgcolor #000000 name VideoPlayer align middle allowScriptAccess..
http://stackoverflow.com/questions/6847460/fragments-within-fragments list is used in several places including as a functioning high level fragment in it's own right . This functionality works..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images ~160dpi . This is the baseline density. hdpi Resources for high density hdpi screens ~240dpi . xhdpi Resources for extra high.. density hdpi screens ~240dpi . xhdpi Resources for extra high density xhdpi screens ~320dpi . Therefore generalised size of..
ViewPager PagerAdapter not updating the View http://stackoverflow.com/questions/7263291/viewpager-pageradapter-not-updating-the-view want to update. The second approach is very flexible and high performant. Kudos to alvarolb for the original research. share..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state personally. Just make sure that the offscreenPageLimit is high enough to load your desired fragments at all times since you..
phonegap - splash screen for Android app http://stackoverflow.com/questions/8156841/phonegap-splash-screen-for-android-app xhdpi . Where those directories represent low medium high and extra large dots per inch. You'll need to resize you slash.png..
Android MediaPlayer error (1, -2147483648) http://stackoverflow.com/questions/11540076/android-mediaplayer-error-1-2147483648 0.000000 bitrate 6738 kb s Stream #0.0 und Video h264 High yuv420p 1920x800 PAR 1 1 DAR 12 5 6575 kb s 23.97 fps 90k tbr.. 0.000000 bitrate 2045 kb s Stream #0.0 und Video h264 High yuv420p 1280x720 PAR 27 20 DAR 12 5 1889 kb s 23.99 fps 90k..
Android persistent socket connection rules http://stackoverflow.com/questions/15254146/android-persistent-socket-connection-rules that the CPU may sleep before the ping is finished. Use a High Performance Wifi Lock if the notifications are sensitive. There..
High resolution Image - OutOfMemoryError http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror resolution Image OutOfMemoryError I am developing an application..
http://stackoverflow.com/questions/2317167/helloandroid-emulator-problem from the command line and set it to use all CPUs with High or Real Time priority. Make note of your CPU usage. Open Eclipse..
http://stackoverflow.com/questions/2422120/open-sided-android-stroke a solid shape color as in above answer. edit Sometimes for High Density devices using low dips may end in very thin or invisible..
Drawable-hdpi, Drawable-mdpi, Drawable-ldpi Android http://stackoverflow.com/questions/3263265/drawable-hdpi-drawable-mdpi-drawable-ldpi-android found some articles for these 3 folders that hdpi means High dpi mdpi means medium dpi ldpi means low dpi But still I have..
Set icon for android application http://stackoverflow.com/questions/5350624/set-icon-for-android-application Medium density screen 48px x 48px drawable hdpi 240 dpi High density screen 72px x 72px drawable xhdpi 320 dpi Extra high..
Do I need 14 different layouts to support all Android devices? http://stackoverflow.com/questions/5558534/do-i-need-14-different-layouts-to-support-all-android-devices HVGA 320x480 layout large mdpi layout large land mdpi High density Normal screens WVGA800 480x800 x854 layout hdpi layout..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables to use abstract or interface classes Inability to subclass High coupling across the application difficult to modify Difficult..
http://stackoverflow.com/questions/8490742/layout-large-land-hdpi-error 320x480 res layout large mdpi res layout large land mdpi High density Normal screens WVGA800 480x800 x854 res layout hdpi..
Android videoView gives me Alert “Sorry,This video cannot be played”? http://stackoverflow.com/questions/8714033/android-videoview-gives-me-alert-sorry-this-video-cannot-be-played and try to encode a video with a profile similar to the SD High quality listed on the above mentioned site. There are plenty..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen screen densities Qualifier Description Nominal value ldpi low density 120 ppi mdpi medium density 160 ppi hdpi high density 240 ppi xhdpi extra high density 320 ppi Typically screen size has most impact on your app layouts screen density.. Description Nominal value ldpi low density 120 ppi mdpi medium density 160 ppi hdpi high density 240 ppi xhdpi extra high density 320 ppi Typically screen size has most impact on your app layouts screen density has most impact on your image and.. best JPEG can offer up to 50 file size reductions over PNG which is significant if your app is image intensive A higher quality lossy JPEG may look better than a highly compressed lossless PNG for the same file size Add labels to your images..
How to set ringtone in Android from my activity? http://stackoverflow.com/questions/1271777/how-to-set-ringtone-in-android-from-my-activity to add the sdcard file into the database first. Anyway how does mediastore maintain its ids This number can get really high as you do this operation many times. Do i need to delete this row my self Problem is that some times i dont even controll..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik Link 1 Link 2 On 4 Aug 2010 i have found Regarding RenderScript . Basically It is said to be a C like language for high performance graphics programming which helps you easily write efficient Visual effects and animations in your Android Applications...
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android height if listener null listener.onSoftKeyboardShown diff 128 assume all soft keyboards are at least 128 pixels high super.onMeasure widthMeasureSpec heightMeasureSpec Then in your Activity class... public class MyActivity extends Activity..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android developers.blogspot.com 2010 02 service api changes starting with.html Now ActivityManager.getMemoryInfo is our highest level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system.. radio DMA buffers etc . MemFree is the amount of RAM that is not being used at all. The number you see here is very high typically on an Android system this would be only a few MB since we try to use available memory to keep processes running..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android size I can run without erroring even when my memory usage is allowed to drift up toward 20MB presumably it could go as high as 24MB although I haven't tried this . But other similarly large ish apps may get flushed from memory as a result of my.. from memory as a result of my own app's pigginess. And conversely my app may get flushed from memory if these other high maintenance apps are brought to the foreground by the user. So you cannot go over the amount of memory specified by maxMemory.. devices running 2.2 and above and that means that almost all devices running my app will have a memoryClass of 24 or higher. So I can design to occupy up to 20MB of heap and feel pretty confident that my app will play nice with the other apps..
Custom Drawable for ProgressBar/ProgressDialog http://stackoverflow.com/questions/2819778/custom-drawable-for-progressbar-progressdialog orientation vertical android layout_width fill_parent android layout_height fill_parent android drawingCacheQuality high ProgressBar android id @ id ProgressBar01 android layout_width wrap_content android layout_height wrap_content style @style..
Is there a multiplatform framework for developing iPhone / Android applications? [closed] http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications of the Microsoft XNA 4.x Framework. It makes it easy for XNA developers to create cross platform games with extremely high code reuse. It currently supports iOS Android Windows both OpenGL and DirectX Mac OS X Linux Windows 8 Store Windows Phone..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android recent google io there was a presentation about implementing restful client applications. Unfortunately it was only a high level discussion with no source code of the implementation. There is one sticking point for me that I can't seem to find..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview I have embedded a ListView within a ScrollView. I have done this by explicitly telling the ListView to be exactly as high as its contents. I do it by changing the layout parameters right inside the ListView.onMeasure method like so public class..
Flash video not displaying in WebView for Android 3.0.1 http://stackoverflow.com/questions/5383364/flash-video-not-displaying-in-webview-for-android-3-0-1 help. Great community android flash webview share improve this question So after a week and a half of searching high and low trying different techniques and just about near ready to throw my tablet out the window I finally figured it out..
Problem to load flv video in webview http://stackoverflow.com/questions/6596243/problem-to-load-flv-video-in-webview 'http www.platipus.nl flvplayer download 1.0 FLVPlayer.swf fullscreen true video @VIDEO@' autoplay 'true' quality 'high' bgcolor '#000000' name 'VideoPlayer' align 'middle' width '640' height '480' allowScriptAccess ' ' allowFullScreen 'true'.. embed style width 100 height 100 src . FLVPlayer.swf fullscreen true video . expression_sad.flv autoplay true quality high bgcolor #000000 name VideoPlayer align middle allowScriptAccess allowFullScreen true type application x shockwave flash..
http://stackoverflow.com/questions/6847460/fragments-within-fragments contains fragment #3 which is a result list. The result list is used in several places including as a functioning high level fragment in it's own right . This functionality works perfectly well on a phone Where 1 2 and 3 are ActivityFragment..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images ~120dpi mdpi Resources for medium density mdpi screens ~160dpi . This is the baseline density. hdpi Resources for high density hdpi screens ~240dpi . xhdpi Resources for extra high density xhdpi screens ~320dpi . Therefore generalised size.. . This is the baseline density. hdpi Resources for high density hdpi screens ~240dpi . xhdpi Resources for extra high density xhdpi screens ~320dpi . Therefore generalised size of your resources assuming they are full screen ldpi Vertical..
ViewPager PagerAdapter not updating the View http://stackoverflow.com/questions/7263291/viewpager-pageradapter-not-updating-the-view
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state because the fragment is added by the adapter and not you personally. Just make sure that the offscreenPageLimit is high enough to load your desired fragments at all times since you rely on it being present. This bypasses lazy loading capabilities..
phonegap - splash screen for Android app http://stackoverflow.com/questions/8156841/phonegap-splash-screen-for-android-app drawable ldpi res drawable mdpi res drawable hdpi res drawable xhdpi . Where those directories represent low medium high and extra large dots per inch. You'll need to resize you slash.png for each directory or Android will stretch it for you...
Android MediaPlayer error (1, -2147483648) http://stackoverflow.com/questions/11540076/android-mediaplayer-error-1-2147483648 4344svn 2011111001 date 2011 Duration 00 02 30.67 start 0.000000 bitrate 6738 kb s Stream #0.0 und Video h264 High yuv420p 1920x800 PAR 1 1 DAR 12 5 6575 kb s 23.97 fps 90k tbr 90k tbn 180k tbc Metadata creation_time 2011 12 03 04 43 46.. encoder Lavf53.32.100 genre Trailer Duration 00 02 30.69 start 0.000000 bitrate 2045 kb s Stream #0.0 und Video h264 High yuv420p 1280x720 PAR 27 20 DAR 12 5 1889 kb s 23.99 fps 90k tbr 180k tbn 180k tbc Metadata creation_time 2011 12 03 04 43..
Android persistent socket connection rules http://stackoverflow.com/questions/15254146/android-persistent-socket-connection-rules until OnReceive returns after that it is possible but rare that the CPU may sleep before the ping is finished. Use a High Performance Wifi Lock if the notifications are sensitive. There was one other device specific issue that affected the solution..
High resolution Image - OutOfMemoryError http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror resolution Image OutOfMemoryError I am developing an application for the Galaxy S4. One of the requirements of the application..
http://stackoverflow.com/questions/2317167/helloandroid-emulator-problem Eclipse. Reboot to reduce the CPU utilization Run the emulator from the command line and set it to use all CPUs with High or Real Time priority. Make note of your CPU usage. Open Eclipse and run the app. Details I spent two days getting the emulator..
http://stackoverflow.com/questions/2422120/open-sided-android-stroke a bottom line . If you need a background color you can add a solid shape color as in above answer. edit Sometimes for High Density devices using low dips may end in very thin or invisible strokes or distances. This may happen to you also when..
Drawable-hdpi, Drawable-mdpi, Drawable-ldpi Android http://stackoverflow.com/questions/3263265/drawable-hdpi-drawable-mdpi-drawable-ldpi-android for storing images in the android project. And as I have found some articles for these 3 folders that hdpi means High dpi mdpi means medium dpi ldpi means low dpi But still I have some confusion around what is the exact purpose of these 3..
Set icon for android application http://stackoverflow.com/questions/5350624/set-icon-for-android-application 120 dpi Low density screen 36px x 36px drawable mdpi 160 dpi Medium density screen 48px x 48px drawable hdpi 240 dpi High density screen 72px x 72px drawable xhdpi 320 dpi Extra high density screen 96px x 96px drawable xxhdpi 480 dpi Extra Extra..
Do I need 14 different layouts to support all Android devices? http://stackoverflow.com/questions/5558534/do-i-need-14-different-layouts-to-support-all-android-devices layout mdpi layout land mdpi Medium density Large screens HVGA 320x480 layout large mdpi layout large land mdpi High density Normal screens WVGA800 480x800 x854 layout hdpi layout land hdpi Xoom medium density large but 1280x800 res ..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Singletons as stolen from the StackExchange link Inability to use abstract or interface classes Inability to subclass High coupling across the application difficult to modify Difficult to test can't fake mock in unit tests Difficult to parallelize..
http://stackoverflow.com/questions/8490742/layout-large-land-hdpi-error mdpi res layout land mdpi Medium density Large screens HVGA 320x480 res layout large mdpi res layout large land mdpi High density Normal screens WVGA800 480x800 x854 res layout hdpi res layout land hdpi Xoom medium density large but 1280x800..
Android videoView gives me Alert “Sorry,This video cannot be played”? http://stackoverflow.com/questions/8714033/android-videoview-gives-me-alert-sorry-this-video-cannot-be-played it needs to work on all devices so I'd suggest you go ahead and try to encode a video with a profile similar to the SD High quality listed on the above mentioned site. There are plenty of free video converters available that you can use for encoding..
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